BR112014030609A2 - method for cooling a gas phase reactor for olefin polymerization - Google Patents

method for cooling a gas phase reactor for olefin polymerization

Info

Publication number
BR112014030609A2
BR112014030609A2 BR112014030609A BR112014030609A BR112014030609A2 BR 112014030609 A2 BR112014030609 A2 BR 112014030609A2 BR 112014030609 A BR112014030609 A BR 112014030609A BR 112014030609 A BR112014030609 A BR 112014030609A BR 112014030609 A2 BR112014030609 A2 BR 112014030609A2
Authority
BR
Brazil
Prior art keywords
polymerization
reactor
cooling
gas phase
phase reactor
Prior art date
Application number
BR112014030609A
Other languages
Portuguese (pt)
Other versions
BR112014030609B1 (en
Inventor
Hamann Axel
Strecker Holger
Hecker Manfred
De Lange Paulus
Karer Rainer
Original Assignee
Basell Polyolefine Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Basell Polyolefine Gmbh filed Critical Basell Polyolefine Gmbh
Priority claimed from PCT/EP2013/062236 external-priority patent/WO2013186299A1/en
Publication of BR112014030609A2 publication Critical patent/BR112014030609A2/en
Publication of BR112014030609B1 publication Critical patent/BR112014030609B1/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1809—Controlling processes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J8/00—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes
    • B01J8/18—Chemical or physical processes in general, conducted in the presence of fluids and solid particles; Apparatus for such processes with fluidised particles
    • B01J8/1836—Heating and cooling the reactor
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D23/00—Control of temperature
    • G05D23/19—Control of temperature characterised by the use of electric means
    • G05D23/1927—Control of temperature characterised by the use of electric means using a plurality of sensors
    • G05D23/193—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces
    • G05D23/1931—Control of temperature characterised by the use of electric means using a plurality of sensors sensing the temperaure in different places in thermal relationship with one or more spaces to control the temperature of one space
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D7/00—Control of flow
    • G05D7/06—Control of flow characterised by the use of electric means
    • G05D7/0617—Control of flow characterised by the use of electric means specially adapted for fluid materials
    • G05D7/0629—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means
    • G05D7/0635—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means
    • G05D7/0641—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means
    • G05D7/0652—Control of flow characterised by the use of electric means specially adapted for fluid materials characterised by the type of regulator means by action on throttling means using a plurality of throttling means the plurality of throttling means being arranged in parallel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2208/00—Processes carried out in the presence of solid particles; Reactors therefor
    • B01J2208/00008—Controlling the process
    • B01J2208/00017—Controlling the temperature
    • B01J2208/00106—Controlling the temperature by indirect heat exchange
    • B01J2208/00168—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles
    • B01J2208/00256—Controlling the temperature by indirect heat exchange with heat exchange elements outside the bed of solid particles in a heat exchanger for the heat exchange medium separate from the reactor
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F110/00—Homopolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond
    • C08F110/02—Ethene

Abstract

resumo "método para o resfriamento de um reator de fase gasosa para a polimerização de olefinas". a presente invenção refere-se a um método para controlar a temperatura num reator de polimerização, a um processo para polimerização de olefinas compreendendo a alimentação de pelo menos uma olefina e pelo menos um catalisador de polimerização para um reator de polimerização equipado com uma linha de gás de ciclo para a retirada de gás do reator, em que a temperatura no reator de polimerização é controlada por tal método, e a um processo para controlar a vazão de um meio fluido por um sistema de controle de fluxo compreendendo dois dispositivos de controle de fluxo de operação contínua de tamanhos diferentes, que são ligados em paralelo. 23272431v1 1/1 23272431v1"method for cooling a gas phase reactor for polymerization of olefins". The present invention relates to a method for controlling the temperature in a polymerization reactor, an olefin polymerization process comprising feeding at least one olefin and at least one polymerization catalyst to a polymerization reactor equipped with a polymerization line. cycle gas for reactor gas withdrawal, wherein the temperature in the polymerization reactor is controlled by such a method, and a process for controlling the flow of a fluid medium by a flow control system comprising two flow control devices. Continuous operation flow of different sizes, which are connected in parallel. 23272431v1 1/1 23272431v1

BR112014030609-5A 2012-06-14 2013-06-13 METHOD FOR COOLING A GASEOUS REACTOR FOR POLYMERIZATION OF OLEFINS BR112014030609B1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP12171911.6A EP2674213A1 (en) 2012-06-14 2012-06-14 Method for cooling a gas-phase reactor for the polymerization of olefins
EP12171911.6 2012-06-14
PCT/EP2013/062236 WO2013186299A1 (en) 2012-06-14 2013-06-13 Method for cooling a gas-phase reactor for the polymerization of olefins

Publications (2)

Publication Number Publication Date
BR112014030609A2 true BR112014030609A2 (en) 2017-06-27
BR112014030609B1 BR112014030609B1 (en) 2020-09-08

Family

ID=46261980

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014030609-5A BR112014030609B1 (en) 2012-06-14 2013-06-13 METHOD FOR COOLING A GASEOUS REACTOR FOR POLYMERIZATION OF OLEFINS

Country Status (3)

Country Link
EP (1) EP2674213A1 (en)
CN (1) CN104884156B (en)
BR (1) BR112014030609B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3524343A1 (en) * 2018-02-07 2019-08-14 Basell Polyolefine GmbH Process for polymerizing olefins in the gas-phase

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2578336B1 (en) * 1985-03-01 1988-07-08 Marchal Equip Auto DEVICE FOR ADJUSTING THE FLOW OF A GAS, AND APPLICATION OF SUCH A DEVICE FOR SUPPLYING GAS TO A REACTOR
FI90474C (en) 1991-05-30 1994-02-10 Borealis Polymers Oy A control method for controlling the temperature of a reactor used in the polymerization of olefins
DE4216075C2 (en) * 1992-05-15 1997-09-18 Martin Umwelt & Energietech Soldering device
US5435779A (en) * 1993-07-02 1995-07-25 Phoenix Controls Corporation Precision gas flow control by use of coarse and fine control elements
US5329965A (en) * 1993-07-30 1994-07-19 The Perkin-Elmer Corporation Hybrid valving system for varying fluid flow rate
IT1275573B (en) 1995-07-20 1997-08-07 Spherilene Spa PROCESS AND EQUIPMENT FOR GAS PHASE POMIMERIZATION OF ALPHA-OLEFINS
DE19724447A1 (en) * 1997-06-10 1998-12-17 Buerkert Werke Gmbh & Co Method of manufacturing digital valve arrangement to give a proportional characteristic
US6165418A (en) 1998-06-29 2000-12-26 Mobil Oil Corporation System for controlling temperature of a continuous polymerization process
AU760115B2 (en) 1998-07-08 2003-05-08 Montell Technology Company B.V. Process and apparatus for the gas-phase polymerisation
WO2005061554A1 (en) * 2003-12-24 2005-07-07 Idemitsu Kosan Co., Ltd. Method and apparatus for manufacturing polyolefin

Also Published As

Publication number Publication date
BR112014030609B1 (en) 2020-09-08
CN104884156B (en) 2017-12-05
CN104884156A (en) 2015-09-02
EP2674213A1 (en) 2013-12-18

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Legal Events

Date Code Title Description
B06U Preliminary requirement: requests with searches performed by other patent offices: suspension of the patent application procedure
B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 13/06/2013, OBSERVADAS AS CONDICOES LEGAIS.